US4862224A - Cleaning device for electrostatic imaging apparatus - Google Patents
Cleaning device for electrostatic imaging apparatus Download PDFInfo
- Publication number
- US4862224A US4862224A US07/177,292 US17729288A US4862224A US 4862224 A US4862224 A US 4862224A US 17729288 A US17729288 A US 17729288A US 4862224 A US4862224 A US 4862224A
- Authority
- US
- United States
- Prior art keywords
- drum
- cleaning
- transfer
- potential
- cylindrical surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
- G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
- G03G15/168—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer with means for conditioning the transfer element, e.g. cleaning
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/16—Transferring device, details
- G03G2215/1604—Main transfer electrode
- G03G2215/1619—Transfer drum
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/16—Transferring device, details
- G03G2215/1647—Cleaning of transfer member
- G03G2215/1657—Cleaning of transfer member of transfer drum
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Cleaning In Electrography (AREA)
Abstract
Description
Claims (16)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/177,292 US4862224A (en) | 1988-04-04 | 1988-04-04 | Cleaning device for electrostatic imaging apparatus |
PCT/US1989/001273 WO1989009949A1 (en) | 1988-04-04 | 1989-03-28 | Cleaning device for electrostatic imaging apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/177,292 US4862224A (en) | 1988-04-04 | 1988-04-04 | Cleaning device for electrostatic imaging apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
US4862224A true US4862224A (en) | 1989-08-29 |
Family
ID=22648029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/177,292 Expired - Lifetime US4862224A (en) | 1988-04-04 | 1988-04-04 | Cleaning device for electrostatic imaging apparatus |
Country Status (2)
Country | Link |
---|---|
US (1) | US4862224A (en) |
WO (1) | WO1989009949A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4949129A (en) * | 1989-07-03 | 1990-08-14 | Eastman Kodak Company | Apparatus for transferring toner images to a receiving sheet |
US5070370A (en) * | 1990-12-24 | 1991-12-03 | Eastman Kodak Company | Image-forming apparatus having a replaceable cartridge and a transfer member cleaning device |
US5173735A (en) * | 1990-06-07 | 1992-12-22 | Minolta Camera Kabushiki Kaisha | Image forming apparatus with improved cleaning operation |
US5214479A (en) * | 1992-08-31 | 1993-05-25 | Xerox Corporation | BTR air cleaner with biased shims |
US5250994A (en) * | 1991-10-30 | 1993-10-05 | Canon Kabushiki Kaisha | Image forming apparatus having transfer member supporting member |
US5440379A (en) * | 1992-10-06 | 1995-08-08 | Matsushita Electric Industrial Co., Ltd. | Image transfer device with cleaner for electrophotographic copying |
US5568243A (en) * | 1994-07-01 | 1996-10-22 | Eastman Kodak Company | Cleaning mechanism for a transfer drum of a reproduction apparatus |
US5722015A (en) * | 1996-04-30 | 1998-02-24 | Eastman Kodak Company | Method and apparatus for adjusting the charge on toner |
US6072975A (en) * | 1997-03-14 | 2000-06-06 | Samsung Electronics Co., Ltd. | Developer for image producing apparatus utilizing electrophotographic developing technology |
US20080173738A1 (en) * | 2004-09-29 | 2008-07-24 | Montag Roger A | Granular material grinder and method of use |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5799225A (en) | 1994-10-19 | 1998-08-25 | Sharp Kabushiki Kaisha | Image forming apparatus having variable transfer and attraction voltage |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4081212A (en) * | 1974-11-18 | 1978-03-28 | Oce-Van Der Grinten, N.V. | System for electrostatically transferring powder images |
US4101215A (en) * | 1975-12-20 | 1978-07-18 | Agfa-Gevaert A.G. | Cleaning device for an electrostatic copier |
US4183655A (en) * | 1975-10-07 | 1980-01-15 | Ricoh Company, Ltd. | Cleaning means for image transfer unit in electrophotographic copying machines |
US4530596A (en) * | 1982-02-17 | 1985-07-23 | Konishiroku Photo Industry Co., Ltd. | Electrostatic copying apparatus |
US4588279A (en) * | 1982-10-27 | 1986-05-13 | Konishiroku Photo Industry Co., Ltd. | Cleaning roller intermediate transfer member |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3713736A (en) * | 1971-05-20 | 1973-01-30 | Addressograph Multigraph | Toner cleaning apparatus for a photocopy machine |
US4026648A (en) * | 1971-12-17 | 1977-05-31 | Canon Kabushiki Kaisha | Cleaning device for use in electrophotographic copying apparatus |
US3887845A (en) * | 1973-09-26 | 1975-06-03 | Xerox Corp | Copier photoreceptor charge control |
US4341455A (en) * | 1979-11-13 | 1982-07-27 | Burroughs Corporation | Conducting toner transfer apparatus |
-
1988
- 1988-04-04 US US07/177,292 patent/US4862224A/en not_active Expired - Lifetime
-
1989
- 1989-03-28 WO PCT/US1989/001273 patent/WO1989009949A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4081212A (en) * | 1974-11-18 | 1978-03-28 | Oce-Van Der Grinten, N.V. | System for electrostatically transferring powder images |
US4183655A (en) * | 1975-10-07 | 1980-01-15 | Ricoh Company, Ltd. | Cleaning means for image transfer unit in electrophotographic copying machines |
US4101215A (en) * | 1975-12-20 | 1978-07-18 | Agfa-Gevaert A.G. | Cleaning device for an electrostatic copier |
US4530596A (en) * | 1982-02-17 | 1985-07-23 | Konishiroku Photo Industry Co., Ltd. | Electrostatic copying apparatus |
US4588279A (en) * | 1982-10-27 | 1986-05-13 | Konishiroku Photo Industry Co., Ltd. | Cleaning roller intermediate transfer member |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4949129A (en) * | 1989-07-03 | 1990-08-14 | Eastman Kodak Company | Apparatus for transferring toner images to a receiving sheet |
US5173735A (en) * | 1990-06-07 | 1992-12-22 | Minolta Camera Kabushiki Kaisha | Image forming apparatus with improved cleaning operation |
US5070370A (en) * | 1990-12-24 | 1991-12-03 | Eastman Kodak Company | Image-forming apparatus having a replaceable cartridge and a transfer member cleaning device |
US5250994A (en) * | 1991-10-30 | 1993-10-05 | Canon Kabushiki Kaisha | Image forming apparatus having transfer member supporting member |
US5214479A (en) * | 1992-08-31 | 1993-05-25 | Xerox Corporation | BTR air cleaner with biased shims |
US5440379A (en) * | 1992-10-06 | 1995-08-08 | Matsushita Electric Industrial Co., Ltd. | Image transfer device with cleaner for electrophotographic copying |
US5568243A (en) * | 1994-07-01 | 1996-10-22 | Eastman Kodak Company | Cleaning mechanism for a transfer drum of a reproduction apparatus |
US5722015A (en) * | 1996-04-30 | 1998-02-24 | Eastman Kodak Company | Method and apparatus for adjusting the charge on toner |
US6072975A (en) * | 1997-03-14 | 2000-06-06 | Samsung Electronics Co., Ltd. | Developer for image producing apparatus utilizing electrophotographic developing technology |
US20080173738A1 (en) * | 2004-09-29 | 2008-07-24 | Montag Roger A | Granular material grinder and method of use |
US7665677B2 (en) * | 2004-09-29 | 2010-02-23 | R A Montag, Llp | Granular material grinder and method of use |
Also Published As
Publication number | Publication date |
---|---|
WO1989009949A1 (en) | 1989-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
AS | Assignment |
Owner name: EASTMAN KODAK COMPANY, NEW YORK Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:KU, WAYNE W.;REEL/FRAME:005134/0239 Effective date: 19880325 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
FPAY | Fee payment |
Year of fee payment: 4 |
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FEPP | Fee payment procedure |
Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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FPAY | Fee payment |
Year of fee payment: 8 |
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FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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FEPP | Fee payment procedure |
Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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FPAY | Fee payment |
Year of fee payment: 12 |
|
AS | Assignment |
Owner name: NEXPRESS SOLUTIONS LLC, NEW YORK Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:EASTMAN KODAK COMPANY;REEL/FRAME:012036/0959 Effective date: 20000717 |
|
AS | Assignment |
Owner name: EASTMAN KODAK COMPANY, NEW YORK Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NEXPRESS SOLUTIONS, INC. (FORMERLY NEXPRESS SOLUTIONS LLC);REEL/FRAME:015928/0176 Effective date: 20040909 |